SPHERO建立失敗的Xcode4

Question

我想創建iOS版應用的「Sphero」，我想創建一個新的項目，我單擊生成後然而測試HelloWorld樣品和失敗，我得到4個問題：

1）使用AF未聲明的標識符「viewDidLoad」：

-(void)viewDidLoad { 

2）缺少"["在消息的開始發送表達 這是在下面的代碼行，xcode中希望第二「選擇器之前把[在「

[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(appDidBecomeActive:) name:UIApplicationDidBecomeActiveNotification object:nil]; 

3）爲接收器類型'SEL'（在與上述相同的線）

4）預期的外部聲明：

最後大括號出來作爲錯誤。

-(void)viewDidLoad { 
[super viewDidLoad]; 
// Do any additional setup after loading the view, typically from a nib. 
-(void)viewDidLoad { 
    [super viewDidLoad]; 

    /*Register for application lifecycle notifications so we known when to connect and disconnect from the robot*/ 
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(appDidBecomeActive:) name:UIApplicationDidBecomeActiveNotification object:nil]; 
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(appWillResignActive:) name:UIApplicationWillResignActiveNotification object:nil]; 

    /*Only start the blinking loop when the view loads*/ 
    robotOnline = NO; 

    calibrateHandler = [[RUICalibrateGestureHandler alloc] initWithView:self.view]; 
} 

} 

Answer 1

用這個代替你的代碼。

-(void)viewDidLoad { 
    [super viewDidLoad]; 

    /*Register for application lifecycle notifications so we known when to connect and disconnect from the robot*/ 
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(appDidBecomeActive:) name:UIApplicationDidBecomeActiveNotification object:nil]; 
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(appWillResignActive:) name:UIApplicationWillResignActiveNotification object:nil]; 

    /*Only start the blinking loop when the view loads*/ 
    robotOnline = NO; 

    calibrateHandler = [[RUICalibrateGestureHandler alloc] initWithView:self.view]; 
}